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Duarte of Portugal, 4th Duke of Guimarães

Duarte of Portugal, 4th Duke of Guimarães (October 7, 1515 in Lisbon – September 20, 1540 in Lisbon) was a Portuguese infante (prince); the sixth son of King Manuel I of Portugal and his wife Maria of Aragon.

Duarte of Portugal
Duke of Guimarães
Duarte, Duque de Guimarães.jpg
Edward of Portugal, 4th Duke of Guimarães
Born(1515-10-07)7 October 1515
Lisbon, Kingdom of Portugal
Died20 September 1540(1540-09-20) (aged 24)
Lisbon, Kingdom of Portugal
SpouseIsabel of Braganza
IssueMaria, Hereditary Princess of Parma
Catarina, Duchess of Braganza
Duarte, Duke of Guimarães
FatherManuel I of Portugal
MotherMaria of Aragon
ReligionRoman Catholicism



Personal Coat of Arms of Prince Duarte I, 4th Duke of Guimarães

He had as tutor André de Resende, who later wrote Duarte's biography. He also loved hunting and was quite a good musician.

In 1537 he married Isabella of Braganza, daughter of James, Duke of Braganza, who was dowried with the Dukedom of Guimarães in her own right. After the marriage, Infante Duarte became the 4th Duke of Guimarães.

This marriage produced three children:

He is buried in the Monastery of Jerónimos in Lisbon.


See alsoEdit


  • ”Nobreza de Portugal e do Brasil” – Vol. I, page 387. Published by Zairol Lda., Lisbon 1989.
Portuguese nobility
Preceded by
Teodósio I, Duke of Braganza
Duke of Guimarães

Succeeded by
Duarte II, 5th Duke of Guimarães